Four structures are given in options (A) to (D), Examine them and selet the aromatic structure.

Four structures are given in options (A) to (D), Examine them and sele

1.	Four structures are given in options (A) to (D), Examine them and selet the aromatic structure.
Answer» Solution :Aromaticity required FOLLOWING conditions : Planarity (ii) complete DELOCALIZATION of the electrons in the ring (iii) Presence of (4n+2) electrons in the ring where N is an integer (n=0,1,2,…). This is often REFERRED to as Huckel Rule. (i) THEREFORE, (i) and (iii) are aromatic structures.